Home / 12,282.30-18,423.45-8,588.70

Finding the Fourth Proportional to 12,282.30, 18,423.45 and 8,588.70

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Solution

The fourth proportional to 12,282.30, 18,423.45 and 8,588.70 is: 12,883.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.30 : 18,423.45 = 8,588.70 : x
  2. Step 2: Convert to fraction form
    12,282.30/18,423.45 = 8,588.70/x
  3. Step 3: Cross multiply
    12,282.30x = 18,423.45 × 8,588.70
  4. Step 4: Simplify right side
    12,282.30x = 158,233,485.02
  5. Step 5: Solve for x
    x = 158,233,485.02/12,282.30
  6. Step 6: Final answer
    x = 12,883.05

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.